Phone holster



FIG. 1 is a front perspective view of a phone holster showing my new design as worn by a person; it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an enlarged front and top perspective view of the design of FIG. 1;

FIG. 3 is a rear perspective view of the design of FIG. 2; and,

FIG. 4 is a top plan view of the design of FIG. 2. 

The ornamental design for a phone holster, as shown and described. 